Health Consultation: Evaluation of Indoor Environmental ...

Jun 11, 2018 · The outdoor PM2.5 concentration for April 29, 2008 was 3 μg/m3, while indoor PM2.5 levels ranged from ND to 28 μg/m3 in classrooms and common areas, which were below the NAAQS PM2.5 level of 35 μg/m3 (Table 1). However, MDPH/BEH/IAQ measured PM2.5 levels of 65 μg/m3 and 732 μg/m3 in the tan area girls’ and boys’ restrooms, respectively ... ................
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